Pharmaceutical Materials

CAS Number: 1125-27-5

Molecular Formula: C8H10Cl2Si

Molecular Weight: 205.16 g/mol

Appearance: Colorless liquid

Density: 1.1±0.1 g/cm³

Boiling Point: 225.3±9.0 °C

Flash Point: 85.5±14.3 °C

Usage: Used as a chemical intermediate.

 

Aspect	Details
Name	Ethylphenyldichlorosilane
CAS No.	1125-27-5
Molecular Formula	C₈H₁₀Cl₂Si
Molecular Weight	205.17 g/mol
Physical Properties	Appearance: Colorless liquid Density: 1.12 g/cm³ Boiling Point: 225.3°C (760 mmHg) Flash Point: 85.5°C Vapor Pressure: 0.13 mmHg at 25°C Solubility: Insoluble in water; soluble in organic solvents
Chemical Properties	Highly reactive with moisture, water, and protic solvents, releasing toxic hydrogen chloride gas. Combustible; emits toxic HCl and phenol gases when exposed to fire.
Applications	Primarily used as a pharmaceutical intermediate and in the synthesis of organic silicon compounds. It also serves as a sealing agent in certain industrial applications.
Safety Information	Classified as a corrosive (UN 2435. Class 8). Toxic (low toxicity); inhalation or skin contact may cause severe irritation or burns. Storage: Keep in a cool, dry, and well-ventilated area, separated from acids, oxidizers, and bases. Emergency Response: Use dry powder or CO₂ fire extinguishers; avoid water or foam.

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